Patent · US Expired

Optical information recording apparatus

US4283785A · kind A · utility

37Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 1979
Grant dateAug 11, 1981
Priority date
Expiry dateApr 26, 1999

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01S5/06835
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In an optical information recording apparatus, a version of a recording light emitted from a light source and reflected by a recording medium is detected to control the recording light output power of the light source.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.